Connect to SAS Data Sets Data in Ruby

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SAS Data Sets ODBC Driver

The SAS Data Sets ODBC Driver is a powerful tool that allows you to connect with live data from SAS Data Sets, directly from any applications that support ODBC connectivity.

Access SAS Data Sets data like you would a database - read, write, and update through a standard ODBC Driver interface.



Connect to SAS Data Sets data in Ruby with ruby-dbi, dbd-odbc, and ruby-odbc.

The CData ODBC Driver for SAS Data Sets makes it easy to integrate connectivity to live SAS Data Sets data in Ruby. This article shows how to create a simple Ruby app that connects to SAS Data Sets data, executes a query, and displays the results.

Create an ODBC Connection to SAS Data Sets Data

If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.

Set the following connection properties to connect to your SAS DataSets files:

  • URI: Set this to the folder containing your .sas7bdat resources. Currently we only support local files.

Installing Ruby and Necessary Gems

If you do not have Ruby installed, refer to the Ruby installation page. With Ruby installed, you will need to install the ruby-dbi, dbd-odbc, and ruby-odbc gems:

gem install dbi gem install dbd-odbc gem install ruby-odbc

Create a Ruby App with Connectivity to SAS Data Sets Data

Create a new Ruby file (for example: SASDataSetsSelect.rb) and open it in a text editor. Copy the following code into your file:

#connect to the DSN require 'DBI' cnxn = DBI.connect('DBI:ODBC:CData SASDataSets Source','','') #execute a SELECT query and store the result set resultSet = cnxn.execute("SELECT name, borough FROM restaurants WHERE cuisine = 'American'") #display the names of the columns resultSet.column_names.each do |name| print name, "\t" end puts #display the results while row = resultSet.fetch do (0..resultSet.column_names.size - 1).each do |n| print row[n], "\t" end puts end resultSet.finish #close the connection cnxn.disconnect if cnxn

With the file completed, you are ready to display your SAS Data Sets data with Ruby. To do so, simply run your file from the command line:

ruby SASDataSetsSelect.rb Writing SQL-92 queries to SAS Data Sets allows you to quickly and easily incorporate SAS Data Sets data into your own Ruby applications. Download a free trial today!